Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 25, Problem 14TYK
Summary Introduction
Introduction: In Hawaiian island, all the species of the fruit flies have appeared to be descended from the single ancestral species. This had colonized the island from the millions of years ago. All the species descended from a single ancestor that would have reached the island through the storm, or carried by fruit scrap, or by sticking to the bird feathers.
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Several very distantly related species (e.g., bats, birds, insects) have evolved the capability of flight. The most recent common ancestor of insects and vertebrates likely lived over 500 million years ago and was flightless. This independent evolution of flight in multiple, distantly related taxa is an example of what evolutionary process/pattern?
a.
Evolutionary reversal
b.
Convergent evolution
c.
Speciation
d.
Synapomorphy
Analysis of Rhagoletis fly populations in North Americaprovides evidence that if some members of an insectpopulation shift to a new host species,a. sympatric speciation may eventually result.b. adaptive radiation is likely.c. little or no subsequent genetic divergence is likely.d. sympatric speciation is probably impossible in insects.
Researchers have found fossils of Eocene horse species in Colorado. Deeper deposits contain smaller species, and more recent deposits contain larger species. How does this observation support the theory of evolution?
A.
It provides evidence that species change over time.
B.
It does not support the theory of evolution.
C.
It shows that all species are related to each other.
D.
It proves that environments have changed over time.
E.
It suggests that species are unchanging and of recent origin.
Chapter 25 Solutions
Study Guide for Campbell Biology
Ch. 25 - Why do we say that, for life to have begun, the...Ch. 25 - Prob. 2IQCh. 25 - Prob. 3IQCh. 25 - Prob. 4IQCh. 25 - Prob. 5IQCh. 25 - a. Mammals originated 180 mya but did not change...Ch. 25 - Prob. 7IQCh. 25 - a. According to the model of species selection,...Ch. 25 - Prob. 1SYKCh. 25 - Label the eons, eras, and key events shown on the...
Ch. 25 - Describe three major processes that have...Ch. 25 - Prob. 4SYKCh. 25 - The primitive atmosphere of Earth may have favored...Ch. 25 - Prob. 2TYKCh. 25 - Prob. 3TYKCh. 25 - The half-life of carbon-14 is 5,730 years. A...Ch. 25 - Prob. 5TYKCh. 25 - Prob. 6TYKCh. 25 - Prob. 7TYKCh. 25 - Look back at the Geologic Record in Table 25.1....Ch. 25 - Prob. 9TYKCh. 25 - According to the endosymbiont theory, a. the first...Ch. 25 - Prob. 11TYKCh. 25 - Prob. 12TYKCh. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Prob. 16TYKCh. 25 - Prob. 17TYKCh. 25 - What is meant by the concept of species selection?...
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- A. The principle that human biology and culture evolved together and are intertwined makes anthropologists refer to humans as: a. biocultural organisms. b. an holistic species. c. human agents. d. co-specific organisms. B. Oldowan tools can be described as a. exceptionally small flint tools used in making other tools. b. polished, ground stone tools that look like teardrops. c. thin, symmetrical tools made from stone, bone, and antler. d. tennis ball sized rocks with a few flakes knocked off.arrow_forwardOne hypothesis for the Cambrian explosion was an increase in predator-prey relationships. It is thought that the resulting co-evolution of predator and prey may have been a factor in the rapid speciation of animals seen during this time. What findings in the fossil record would most support this? Group of answer choices a. increased incidence of larger-bodied animals b. increased incidence of sessile animals c. decreased incidence of animals with bilateral symmetry d. increased incidence of animals with radial symmetry e. increased incidence of shells, bony plates, spines, and/or clawsarrow_forwardArguments in favor of the overkill hypothesis of megafauna extinctions are a. Basically everywhere humans colonized, big animals went extinct b. Climate change similar to the end of the Pleistocene happened many times before, and there was no megafauna extinction c. In nearly all the Clovis kill sites in North America, mammoth or other megafauna are present d. All of the abovearrow_forward
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